0, 1 << 0, 1 << 1, 1 << 2, 1 << 3, 1 << 4, 1 << 5, 1 << 6, 1 << 7, 1 << 8, 1 << 9, 1 << 10, 1 << 11, 1 << 12, 1 << 13, 1 << 14
};
-static inline unsigned extend(int val, int bits)
+static inline unsigned extend(int val, unsigned bits)
{
if (val < bit_thresholds[bits]) {
return val + (-1 << bits) + 1;